The Hancock Jaffe Surgical Antireflux Venous Valve Endoprosthesis Study
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04943172 |
Recruitment Status :
Recruiting
First Posted : June 29, 2021
Last Update Posted : February 1, 2023
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Deep Venous Insufficiency (Diagnosis) | Device: Hancock-Jaffe bioprosthetic venous valve (VenoValve®) | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 75 participants |
Allocation: | N/A |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Masking Description: | Open Label |
Primary Purpose: | Treatment |
Official Title: | The Hancock Jaffe Surgical Antireflux Venous Valve Endoprosthesis (SAVVE) Study |
Actual Study Start Date : | August 27, 2021 |
Estimated Primary Completion Date : | March 2024 |
Estimated Study Completion Date : | March 2028 |
Arm | Intervention/treatment |
---|---|
Experimental: VenoValve
Subjects who receive VenoValve implant
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Device: Hancock-Jaffe bioprosthetic venous valve (VenoValve®)
Surgical implantation of the VenoValve device |
- The primary safety endpoint is the composite of the following Major Adverse Events: [ Time Frame: 30 days ]Death, Major Bleeding, Deep Wound Infection, Ipsilateral deep vein thrombosis, Pulmonary embolism in 75 patients. Rate of >9% is expected
- Major Adverse Event rates [ Time Frame: 3, 6, 12 months and annually thereafter through 5 years ]Death, Major Bleeding, Deep Wound Infection, Ipsilateral deep vein thrombosis, and Pulmonary Embolism

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Failure of at least 3 months of standard care including compression therapy, and in C6 patients, wound care,
- Axial deep reflux >1000 msec. at the level of the popliteal vein
- Venous valvular incompetence from primary or secondary causes, e.g., post-thrombotic syndrome (PTS),
- CEAP score: C4b, C4c, C5, or C6,
- Diameter of native target vein ≥8 mm,
- Age ≥18 years,
- Ability to tolerate duplex ultrasound,
- Ability to ambulate without assistance,
- Able to attend scheduled post-treatment follow-up visits,
- BMI <40,
- Willing and able to comply with all compulsory study procedures and provide informed consent prior to any study procedures being performed,
- Negative COVID-19 test within 6 days of index procedure or record of full vaccination for COVID-19,
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Female patients of childbearing potential must:
- have negative pregnancy test at the screening visit or within 7 days of the index procedure, whichever is later,
- not be breastfeeding or plan to breastfeed through completion of the study,
- agree to use a medically acceptable method of preventing conception from the screening visit through completion of the study.
Exclusion Criteria:
- Presence of superficial reflux,
- Presence of untreated iliac/IVC obstruction greater than 50% in diameter reduction,
- Previously documented hypercoagulable condition that cannot be adequately treated with anticoagulation,
- Previous open surgical procedure in the ipsilateral deep venous system,
- Venous stent in the ipsilateral femoral or popliteal vein,
- Extensive infrainguinal obstruction of the venous system,
- DVT or pulmonary embolism within 30 days of the planned procedure,
- Active malignancy excepting non-melanoma skin cancer,
- Arterial insufficiency with measured ABI <0.70
- Lymphedema not due to venous disease,
- Current or planned participation in another clinical trial within 30 days of treatment,
- Minor venous procedures (e.g., superficial vein procedures or venous stenting) within 6 weeks of screening,
- New York Heart Association Class III or greater,
- Fibromyalgia,
- Chronic narcotic usage,
- Positive COVID-19 test within the last 3 months.
- Other medical conditions or comorbidities which, in the opinion of the investigator, would interfere with study compliance,
- Contraindication to anticoagulation,
- Stainless steel sensitivity/ porcine tissue sensitivity,
- Active superficial thrombophlebitis,
- Thrombocytosis with platelet count > 1 million/microliter,
- Unwilling or unable to comply with post-operative anticoagulation regimen.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04943172
Contact: Kevin Belteau | 813-713-6210 | KBelteau@envveno.com | |
Contact: Marc Glickman, MD | 757-573-7518 | MGlickman@envveno.com |

Study Director: | Marc Glickman, MD | Hancock Jaffe Laboratories, Inc |
Responsible Party: | Hancock Jaffe Laboratiores, Inc |
ClinicalTrials.gov Identifier: | NCT04943172 |
Other Study ID Numbers: |
P061 |
First Posted: | June 29, 2021 Key Record Dates |
Last Update Posted: | February 1, 2023 |
Last Verified: | August 2022 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | Yes |
Device Product Not Approved or Cleared by U.S. FDA: | Yes |
Venous Insufficiency Vascular Diseases Cardiovascular Diseases |